• Candidate species

    exchange, the rise and the lowering of the cage needs sufficient stops to prevent barotrauma of the fish. The sea bass can tolerate temperatures in the North Sea, but the average temperature of 10 ° C in [...] flow velocities of 5-10 cm s -1 for optimal nutrient and CO 2 exchange on the surface of the thalli, as well as for the reduction of growth of epiphyts. In strong currents, the thalli of macroalgae become [...] materials. Cod is one of the species with the highest rate of the escapees, which can have a negative impact on the wild population by cross-breeding. The extreme temperature tolerance range of -1 ° C to 23 °

  • tesi_Federica_Benassi.pdf

    use, impacted on the global carbon cycle resulting in the additional release of carbon, mainly in the form of CO2, and in the perturbation of the long-estabilished equilibrium of the natural carbon cycle [...] increases. The effectiveness of the solubility pump relies on the contrast between the large volume of the deep ocean that is ventilated by cold polar water masses and the relatively smaller volume of the oceanic [...] tification. 1.4 Thesis objectives The aim of this work is the estimation of the contribution of streamers to the lateral transport of biomass from the shelf domain to the open ocean. Only observational data

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  • DanieleDiBella_Thesis_1-1_SynergyTROPOMI-PhytoDOAS_OLCI-OCPFT.pdf

    constant of proportionality. • c, the concentration of the absorbing species within the sample. • l, the length of the optical path traveled by light, that is, the length of the path within which the light [...] represent, respectively, the start date of the period of interest, the date that is used during the loop, and the end date of the period of interest. The cycle begins by assigning cdate the same value as sdate [...] between the different types of plankton and the rest of the oceanic food web is offered by Figure 2 below. Figure 2 | Model of interactions between the different types of plankton and the rest of the oceanic

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  • Projects

    time-scales, the spatial extent of the variations is increasing (space-time structure) Correlation of interannual temperature variations in Brussels with temperature variations in the rest of the world in a climate [...] basis for the quantitative use of paleoclimate records. The instrumental record is only a snapshot of our climate record. Two recent advances allow a deeper use of the paleo-record: (1) the increased [...] itut) Lake & Sea ice algae Lake & Sea-ice algae The seasonal extent and properties of Arctic ice on land and in the ocean determine the efficacy of the albedo feedback mechanism causing arctic climate

  • WG Community & Evolutionary Ecology

    thermal environment of the mother has a strong influence on the fitness of the offspring in a matching environment. Mechanistically the plastic adaptation is linked to higher efficiency of the mitochondrial [...] between environment of the parents and of the offspring exists, it can be a selective advantage to transfer information about phenotypically plastic traits to the offspring. We investigate the epigenetic mechanisms [...] mechanisms of transgenerational plasticity (TGP) in the context of ocean warming and performance in a marine population of the threespine stickleback (Gasterosteus aculeatus), and could show that the thermal

  • The Wadden Sea Over the Course of Time

    rising and the Wadden Sea ecosystems are changing rapidly (Figure 1). At the Wadden Sea station of Sylt we have one of the most detailed and species rich marine time series in the world. The so-called Sylt [...] years, much of the work on the LTER has focused on key species and their role in habitat stability and species function. The demise of and introduction of species especially in the context of resilience [...] and taxonomical biodiversity of the North Sea, as well as the computation of flows of energy and nutrients through the system also via models. We aim to integrate the different data sets using modelling

  • CampaignReport_IceBirdSummer2024.pdf

    northeast coast of Greenland. A set of calibration squares for the radiation sensors were performed at the beginning of the flight. Figure 3. Opening up of the flaw lead north of Station Nord between 16th July [...] acquired by the mooring IPS framforum.com/2023/02/28/sustainable- development-of-the-arctic-ocean/. The R/V KPH was servicing the mooring and completing a sea ice station at the time of our flight [...] applied to the profiles. Summary of activities between August 8th and 16th Unfortunately, poor weather (low clouds and fog) in the block prevented further surveys out of STN during the final week of the campaign

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  • Members

    studies in biology at the University of Bremen and then returned to the AWI and especially to the labs. Here, the supervision of our microalgal stock culture collection, the realization of lab experiments on [...] content are also part of the spectrum of my tasks in the group, besides the preparation of expeditions and ordering logistics. "What will happen tomorrow?" is an important question for me, not just regarding [...] faster than the global average. The influx of warm Atlantic water and the rapid melting of glaciers, releasing sediments and freshwater, make Svalbard a unique place to study the effects of climate change

  • Alfred Wegener Lecture

    role of the oceans. He is a member of the Royal Netherlands Academy of Arts and Sciences, a Fellow of the Society for Industrial and Applied Mathematics and in 2005, he received the Lewis Fry Richardson medal [...] 2015 Prof. Lynne D. Talley , Scripps Institution of Oceanography elaborated the " Role of the Southern Ocean in the Global Overturning Circulation ". About a hundred colleagues from Bremen and Bremerhaven [...] is professor of Dynamical Oceanography at the Institute for Marine and Atmospheric research Utrecht and director of the Centre for Complex Systems Studies within the Department of Physics of Utrecht University

  • Hochansteckende_Vogelgrippe__HPAI__Guidelines.docx

    early stages of the infection) show signs of the disease, but still can transmit the virus. The precautions and measures to be taken in areas with no signs of HPAI and without previous reports of HPAI outbreaks [...] Depending on the assessment of the information / report provided, the HPAI Task Force will give you advice on the continuation of your fieldwork. The HPAI Task Force might also ask you to continue with the observations [...] testing of these samples require prior approval and advice by the HPAI Task Force. To prevent the spread of the virus and reduce the risk of transmissions and infections, no sick or dead birds and marine mammals

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